The past is never dead. It's not even past.
过去从未消逝,它甚至还未成为过去。
The mining industry must evolve to meet the demands of a changing world, or it will be left behind.
水产养殖的进步离不开科学研究的支持。
这世界就是这样,风水轮流转呐,都是自然规律。